By the BS Auto Supplies Editorial Team | Technical fitment guide | Updated October 2026 Quick Q&A: 2005 vs. 2006 Dodge Ram 2500 Transmission Q: Are they interchangeable? A: Usually, yes. The 2005 vs. 2006 Dodge Ram 2500 transmission question comes down to matching the engine, drivetrain, and transmission code. When those line up, a 2005 Dodge Ram 2500 transmission generally fits a 2006...